Provision of engineering services in the construction and real estate industry, in particular in the areas of heating, ventilation, air conditioning and sanitary installations, development of real estate projects and provision of services in the real estate sector, as well as provision of general secretarial services. The company may establish branches and subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire, encumber, sell and manage real estate in Switzerland and abroad, arrange financing for its own account or for the account of third parties, and grant guarantees and sureties for subsidiaries and third parties.